GSM M2M RTU Remote Monitoring Temperature Humidty Alarm System SMS GPRS Communication BTS Access Relay Control King Pigeon S270

GSM M2M RTU Remote Monitoring Temperature Humidty Alarm System SMS GPRS Communication BTS Access Relay Control King Pigeon S270

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List price:
US $105.00
US $84.00

Product Description

GSM M2M RTU S270 Remote Monitoring Temperature Humidty Alarm System SMS

GPRS Communication BTS Access Relay Control King Pigeon

The GSM M2M RTU is a multi I/O port remote terminal unit. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS

access control and other applications. It supports voice communication, SMS, GPRS communications.

1. ARM® Cortex™-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;

2. Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery;

3. Large internal memory for save 1000 historical data, USB port for configuration and upgrade firmware;

4. 2 analog inputs, 12bits, supports 0-5V, 0-20mA, 4-20mA;

5. 2 Relay outputs, 5A/30VDC,5A/250VAC;

6. 2 digital inputs, dry contact or level input. One of the input can be used as counter;

7. 1 temperature probe input, 1 humidity transducer input;

8. 2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;

9. Automatically resend the data while communication failure, GPRS failure will alert by SMS text;

10. Supports remotely restart the RTU, and configure it by SMS commands remotely;

11. Supports over voltage protection and phase-reversal protection;

12. 10 SMS Alert and auto dial numbers, can program to receive specified alarm message.

13. 10 access control authorized numbers, can open the BTS door or turn on/off machine with a free charge call at the specified time.


Reference Scope

DC Power supply

Standard adapter: DC 12V/1.5A Range 9-36VDC

Power consumption

Standby:12V/70mA; Working Max.: 12V/300mA

GSM Frequency


Transmit power

Class 4 (2W) at EGSM 900 and EGSM 850

Class 1 (1W) at GSM 1800 and GSM 1900

GPRS connectivity

GPRS multi-slot class 10

GPRS Data Transmission

GPRS data downlink transfer: max. 85.6 kbps

GPRS data uplink transfer: max. 42.8 kbps

Coding scheme: CS-1, CS-2, CS-3 and CS-4

TCP/IP stack


SIM interface

Supporting 3V SIM Card

External antenna

SMA Antenna interface, 50 Ohm

Serial Interfaces

1 USB Port;


SMS, GPRS UDP,TCP, Modbus RTU, Modbus TCP and more equipment protocols can be added according to requirements.

Digital Inputs

2 Digital input, NC/NO/Edge/Level type, Can be used as Pulse Counters;

Analog Inputs

2 Analog Inputs. 12 bit resolution, 0-5V or 0-20mA or 4-20mA;

Temp.&Humi Inputs

Temperature range: -40°C to +80°C.

Humidity Range: 0~100%RH;

Relay Outputs

2, Rated: 5A/30VDC,5A/250VAC

Power Outputs

1 Port, for external device;

Memory Capacity

Internal Memory inside, can save the data for 1000events.

Backup Battery

3.7V 1200mAH

Temperature range

-10-+70 °C

Humidity range

Relative humidity 95% (condensation free)

Exterior dimension


Net Weight

1000 g

Standard Package list:

S270 M2M RTU Controller unit *1

AC/DC Power adapter *1 (AC100~240V to DC 12V/2A, UK/USA/EU/AU plug available)

CD (PC Programming tool and User Manual) *1

GSM Antenna *1

Connectors *1 set

Hello friend.Please note.This device is 2G version.If you need 3G.Please contact us and add 20usd.

Packaging Details

Unit Type: 
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Estimated Delivery Time is 7-30 business.

Note: The delivery time mentioned above does not include order processing time that usually varies from 1 to 3 days.
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